🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.02 AU - 1.1 AU

Year: 460 Days

Day: 32.5 Hours

Environment

Temp: -63 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.92 AU - 1.4 AU

Year: 527 Days

Day: 40.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.71 AU - 2.25 AU

Year: 1175 Days

Day: 28.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,145,828 km

• M1: 37,549 km (0.049 R)

Asteroid Belt

Center: 3.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 9.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.2 AU - 5 AU

Year: 4161 Days

Day: 8.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,145,828 km

• M1: 123,269 km (0.113 R)
• M2: 711,936 km (0.104 R)
• M3: 1,034,170 km (0.11 R)
• M4: 1,434,943 km (0.117 R)
• M5: 2,493,348 km (0.04 R)
• M6: 2,808,550 km (0.057 R)
• M7: 3,131,981 km (0.096 R)
• M8: 4,051,709 km (0.038 R)
• M9: 4,783,542 km (0.105 R)
• M10: 5,436,087 km (0.063 R)
• M11: 6,235,987 km (0.092 R)
• M12: 6,758,832 km (0.041 R)
• M13: 8,394,086 km (0.076 R)
• M14: 9,109,014 km (0.06 R)
• M15: 9,701,721 km (0.077 R)
• M16: 10,746,513 km (0.056 R)
• M17: 15,296,981 km (0.108 R)
• M18: 16,134,729 km (0.066 R)
• M19: 18,831,380 km (0.1 R)
• M20: 23,970,815 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 13.6

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5 AU - 7.38 AU

Year: 6495 Days

Day: 10.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,145,828 km

• M1: 169,494 km (0.066 R)
• M2: 601,533 km (0.09 R)
• M3: 1,163,273 km (0.101 R)
• M4: 1,863,541 km (0.093 R)
• M5: 2,477,640 km (0.099 R)
• M6: 2,993,753 km (0.066 R)
• M7: 3,675,320 km (0.077 R)
• M8: 4,622,275 km (0.079 R)
• M9: 5,473,487 km (0.111 R)
• M10: 6,888,832 km (0.097 R)
• M11: 9,725,358 km (0.094 R)
• M12: 12,816,349 km (0.1 R)
• M13: 25,658,877 km (0.108 R)
• M14: 26,463,714 km (0.082 R)
• M15: 27,563,108 km (0.106 R)
• M16: 28,788,016 km (0.116 R)
• M17: 30,943,422 km (0.102 R)
• M18: 33,946,300 km (0.057 R)
• M19: 36,799,281 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443

Radius: 7.8

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.22 AU - 13.08 AU

Year: 15703 Days

Day: 18.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,145,828 km

• M1: 117,883 km (0.037 R)
• M2: 716,873 km (0.106 R)
• M3: 1,068,278 km (0.093 R)
• M4: 1,606,382 km (0.095 R)
• M5: 2,352,875 km (0.071 R)
• M6: 4,449,340 km (0.101 R)
• M7: 7,211,365 km (0.101 R)
• M8: 8,232,670 km (0.118 R)
• M9: 8,753,719 km (0.091 R)
• M10: 11,117,515 km (0.082 R)
• M11: 14,614,665 km (0.065 R)
• M12: 15,734,405 km (0.054 R)
• M13: 17,213,479 km (0.03 R)
• M14: 17,597,198 km (0.088 R)
• M15: 20,530,961 km (0.092 R)
• M16: 22,842,099 km (0.107 R)
• M17: 24,347,502 km (0.103 R)
• M18: 31,145,977 km (0.089 R)
• M19: 31,716,095 km (0.102 R)
• M20: 40,443,934 km (0.12 R)
• M21: 48,482,127 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.6

Radius: 5.1

Gravity: 22.78 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 13.13 AU - 16.89 AU

Year: 24526 Days

Day: 17.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,145,828 km

• M1: 63,429 km (0.081 R)
• M2: 372,499 km (0.109 R)
• M3: 737,368 km (0.087 R)
• M4: 1,269,188 km (0.11 R)
• M5: 1,488,798 km (0.108 R)
• M6: 1,679,087 km (0.102 R)
• M7: 2,108,732 km (0.089 R)
• M8: 2,372,323 km (0.095 R)
• M9: 2,834,431 km (0.119 R)
• M10: 3,268,414 km (0.119 R)
• M11: 4,267,578 km (0.043 R)
• M12: 4,911,597 km (0.037 R)
• M13: 5,140,033 km (0.038 R)
• M14: 8,516,756 km (0.107 R)
• M15: 8,791,268 km (0.083 R)
• M16: 9,415,840 km (0.071 R)
• M17: 9,591,168 km (0.061 R)
• M18: 11,008,907 km (0.103 R)
• M19: 18,352,368 km (0.101 R)
• M20: 22,647,622 km (0.054 R)
• M21: 28,777,245 km (0.087 R)
• M22: 31,824,105 km (0.088 R)
• M23: 34,245,496 km (0.115 R)
• M24: 40,830,495 km (0.073 R)
• M25: 41,297,390 km (0.086 R)
• M26: 44,500,729 km (0.084 R)
• M27: 44,995,000 km (0.106 R)
• M28: 50,141,766 km (0.112 R)
• M29: 54,343,222 km (0.061 R)
• M30: 56,241,020 km (0.092 R)
• M31: 57,790,555 km (0.11 R)
• M32: 65,967,425 km (0.111 R)
• M33: 69,002,018 km (0.113 R)
• M34: 70,330,597 km (0.105 R)
• M35: 74,187,230 km (0.103 R)
• M36: 78,182,540 km (0.113 R)
• M37: 80,111,305 km (0.112 R)

Asteroid Belt

Center: 15.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.7

Radius: 5.6

Gravity: 20.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 15.61 AU - 15.83 AU

Year: 26287 Days

Day: 19.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 89,145,828 km

• M1: 69,713 km (0.112 R)
• M2: 414,386 km (0.106 R)
• M3: 690,245 km (0.055 R)
• M4: 979,866 km (0.055 R)
• M5: 1,285,644 km (0.096 R)
• M6: 1,653,356 km (0.039 R)
• M7: 1,842,447 km (0.102 R)
• M8: 5,770,588 km (0.066 R)
• M9: 8,627,309 km (0.032 R)
• M10: 9,141,776 km (0.12 R)
• M11: 9,798,062 km (0.1 R)
• M12: 11,005,018 km (0.12 R)
• M13: 12,236,657 km (0.048 R)
• M14: 12,450,432 km (0.1 R)
• M15: 14,096,009 km (0.1 R)
• M16: 16,050,505 km (0.089 R)
• M17: 17,811,571 km (0.116 R)
• M18: 18,550,734 km (0.117 R)
• M19: 18,833,026 km (0.095 R)
• M20: 21,816,755 km (0.108 R)
• M21: 22,236,975 km (0.104 R)
• M22: 23,640,054 km (0.063 R)
• M23: 25,101,027 km (0.065 R)
• M24: 25,562,387 km (0.048 R)
• M25: 27,101,150 km (0.053 R)
• M26: 28,450,373 km (0.039 R)
• M27: 30,101,934 km (0.077 R)
• M28: 33,874,343 km (0.066 R)
• M29: 34,864,382 km (0.094 R)
• M30: 37,199,455 km (0.075 R)
• M31: 38,710,693 km (0.111 R)
• M32: 46,019,596 km (0.046 R)
• M33: 48,113,218 km (0.074 R)
• M34: 59,335,452 km (0.118 R)
• M35: 62,865,663 km (0.091 R)
• M36: 64,789,940 km (0.104 R)
• M37: 68,755,929 km (0.071 R)
• M38: 79,372,142 km (0.059 R)
• M39: 80,365,472 km (0.045 R)
• M40: 83,907,501 km (0.105 R)
• M41: 84,421,818 km (0.034 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 14,876 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit